Home / 57,911.58-86,873.45-18,470.25

Finding the Fourth Proportional to 57,911.58, 86,873.45 and 18,470.25

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Solution

The fourth proportional to 57,911.58, 86,873.45 and 18,470.25 is: 27,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,911.58 : 86,873.45 = 18,470.25 : x
  2. Step 2: Convert to fraction form
    57,911.58/86,873.45 = 18,470.25/x
  3. Step 3: Cross multiply
    57,911.58x = 86,873.45 × 18,470.25
  4. Step 4: Simplify right side
    57,911.58x = 1,604,574,247.51
  5. Step 5: Solve for x
    x = 1,604,574,247.51/57,911.58
  6. Step 6: Final answer
    x = 27,707.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.